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US2882342A - Electronic telephone system - Google Patents

Electronic telephone systemDownload PDF

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Publication number
US2882342A
US2882342AUS330638AUS33063853AUS2882342AUS 2882342 AUS2882342 AUS 2882342AUS 330638 AUS330638 AUS 330638AUS 33063853 AUS33063853 AUS 33063853AUS 2882342 AUS2882342 AUS 2882342A
Authority
US
United States
Prior art keywords
telephone system
electronic telephone
sheets
sheet
filed jan
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US330638A
Inventor
Davison Alan
Threadgold Ronald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Automatic Telephone and Electric Co LtdfiledCriticalAutomatic Telephone and Electric Co Ltd
Priority to US642462ApriorityCriticalpatent/US2862149A/en
Application grantedgrantedCritical
Publication of US2882342ApublicationCriticalpatent/US2882342A/en
Anticipated expirationlegal-statusCritical
Expired - Lifetimelegal-statusCriticalCurrent

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Description

April14,1959 ummm ETAL 2,882,342
ELECTRONIC TELEPHONE SYSTEM Filed aan. 12. 195s 21 sheets-'sheet 1` iLF/Fsi LINKS LINK 2LP/F51 i 2 ,D ccTs by 19o/mw Fmr/:060m
A T TUR/JEVS April 14, 19591 A. DAvlsoN ETAL v ,2,882,342
ELECTRONIC TELEPHONE SYSTEM Fi1ed.Jan. 12, 1953 21 sheets-sheet 2 1G51 LINKS LINK 2G51 Arran/'frs A, D/rsoN Er AL ELECTRONIC TELEPHONE SYSTEM April 14, 1959 21 sheetssshieevt -sy Filed Jan. l12. 1955 April-e214, 1959v A. DAvlsQN ETAL 2,882,342 EL'ECTRQNIC TELEPHONE sYsfm-:M
Filed Jan. 12. 1955 Arm/Mfrs 21 sheets-sheet 4` I April 14, 1959 A BAA/SON ET AL 2,882,342
ELECTRONIC TELEPHONE SYSTEM l Filed Jan. 12, 195s 21 sheetsfsheet 5 kwaad- April 14, -1959 Filed Jan. 12, 1955 A A. DAVISON ET AL ELECTRONIC TELEPHONE SYSTEM 2l Sheets-Sheet 6 /A/ VEA/m75 Ron/mp Fmr/40mm A TTRNEYS April 14, 1959 A. DAQ/BON ET AL 2,882,342
ELECTRONIC TLPHONE SYSTEM Filed Jan. 12, 1955 V 21 sheets-sheet -7 vmm l +r m 4' 1 L l J April 14, 1959 A. DAWSON ET AL 88.25342 ELECTRONIC TELEPHONE SYSTEM new Vm April 14, 1959y A. DAvlsoN ErAL 2,882,342v
l ELECTRONIC 'rx-:LEPHo1\1E SYSTEM Filed Jan. 12, 1955 21 sheets-sheet 1o Ro/MED THRMDGOLD l Q April 14, 1959 Filed Jan. 12, 1953 A.DAv|soN 'r-:TAL 2,882,342 ELECTRONIC TELEPHONE SYSTEM 'HT R57 .AA iv' vll-i d A TTHNEYS AP-ril 14, 1959 A.. DAylsoN ETAL 2,882,342 ELECTRONIC TELEPHONE SYSTEM I' v 2; sheets-sheet 1:5
Filed Jan. 12,195s pril 14, 1959v` l-:aAvls-ON ETAL 2,882,342
' ELECTRONIC TELEPHONE SYSTEM Filed Jan. 12. 195s 21 sheets-Sheet 14 H y wwf.
vK347 4 was;
April 14, 1959 A.`DAv|soN ETAL ELECTRONIC TELEPHONE SYSTEM f 21 sheets-sheet 15 Filed Jan. 12, 195525v 21 sheets-sheet 1e 5 D 5 M mn l a N may. m MNM aww /MMH MTM HP DM NN mow.
A. DAvlsoN ET AL ELECTRONIC;Y TELEPHONE SYSTEM Alma 14,- 1959 Filed Jan. l2, 1
17e 17s 3 18o 161pril 14, 1959 Filed Jan. 12. 1955 A. DAVISON ETAL ELECTRONIC TELEPHONE SYSTEM 21 Sheets-Sheet 17 MARz lne '23g L April i4, 1959 A. DAvlsoN `ET Al. 2,882,342
' ELECTRONIC TELEPHONE SYSTEM Filed Jan. 12. 195s 21 sheets-sheet 18 more 'ZNDTC Filed Jan. 12, 1953 -April 14, 1959 A. DAWSON ET AL ELECTRONIC TELEPHONE SYSTEM was? 21 Sheets-Sheet 19 i' l vk699 MARS I n l-q- ATTWEKS A. DAvlsoN ETAL-- 2,882,342-
ELECTRONIC TELEPHONE SYSTEM v April 14, 1959l Filed Jan. 12.
21 Sheets-Sheet 20 Arran/frs
US330638A1952-01-161953-01-12Electronic telephone systemExpired - LifetimeUS2882342A (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
US642462AUS2862149A (en)1953-01-121957-02-26Telecommunication systems

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
GB1243/52AGB765925A (en)1952-01-161952-01-16Improvements in or relating to telephone systems

Publications (1)

Publication NumberPublication Date
US2882342Atrue US2882342A (en)1959-04-14

Family

ID=9718601

Family Applications (1)

Application NumberTitlePriority DateFiling Date
US330638AExpired - LifetimeUS2882342A (en)1952-01-161953-01-12Electronic telephone system

Country Status (5)

CountryLink
US (1)US2882342A (en)
BE (1)BE516931A (en)
DE (1)DE926918C (en)
FR (1)FR1073530A (en)
GB (1)GB765925A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US3049594A (en)*1955-07-121962-08-14Int Standard Electric CorpTelephone systems

Citations (16)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US2317471A (en)*1942-02-171943-04-27Bell Telephone Labor IncSelection system
US2326478A (en)*1942-02-171943-08-10Bell Telephone Labor IncSelection system
US2518022A (en)*1948-09-301950-08-08Bell Telephone Labor IncTranslator
US2543534A (en)*1947-01-091951-02-27Stromberg Carlson CoAutomatic telephone system
US2582959A (en)*1947-10-291952-01-22Bell Telephone Labor IncElectron-tube controlled switching system
US2683806A (en)*1952-03-311954-07-13Ca Nat Research CouncilDiscriminator circuit
US2688078A (en)*1946-02-211954-08-31Us NavyMultivibrator
US2693534A (en)*1944-09-221954-11-02Bertram SidneyMulti-channel electronic switch
US2693593A (en)*1950-08-191954-11-02Remington Rand IncDecoding circuit
US2698382A (en)*1951-03-301954-12-28Jr Kenneth M UglowElectronic switching method
US2709771A (en)*1949-12-301955-05-31Bell Telephone Labor IncPulse counting and registration system
US2719250A (en)*1951-10-301955-09-27Hartford Nat Bank & Trust CoElectronic register circuit
US2747021A (en)*1950-09-211956-05-22Gen Electric Co LtdTelecommunication systems embodying automatic exchanges
US2766327A (en)*1951-03-281956-10-09IttIntercommunication systems
US2773937A (en)*1949-12-241956-12-11Gen Dynamics CorpElectronic signaling and switching system
US2780674A (en)*1950-08-081957-02-05Hartford Nat Bank & Trust CoCircuit-arrangement for engaging an apparatus

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US2326478A (en)*1942-02-171943-08-10Bell Telephone Labor IncSelection system
US2317471A (en)*1942-02-171943-04-27Bell Telephone Labor IncSelection system
US2693534A (en)*1944-09-221954-11-02Bertram SidneyMulti-channel electronic switch
US2688078A (en)*1946-02-211954-08-31Us NavyMultivibrator
US2543534A (en)*1947-01-091951-02-27Stromberg Carlson CoAutomatic telephone system
US2582959A (en)*1947-10-291952-01-22Bell Telephone Labor IncElectron-tube controlled switching system
US2518022A (en)*1948-09-301950-08-08Bell Telephone Labor IncTranslator
US2773937A (en)*1949-12-241956-12-11Gen Dynamics CorpElectronic signaling and switching system
US2709771A (en)*1949-12-301955-05-31Bell Telephone Labor IncPulse counting and registration system
US2780674A (en)*1950-08-081957-02-05Hartford Nat Bank & Trust CoCircuit-arrangement for engaging an apparatus
US2693593A (en)*1950-08-191954-11-02Remington Rand IncDecoding circuit
US2747021A (en)*1950-09-211956-05-22Gen Electric Co LtdTelecommunication systems embodying automatic exchanges
US2766327A (en)*1951-03-281956-10-09IttIntercommunication systems
US2698382A (en)*1951-03-301954-12-28Jr Kenneth M UglowElectronic switching method
US2719250A (en)*1951-10-301955-09-27Hartford Nat Bank & Trust CoElectronic register circuit
US2683806A (en)*1952-03-311954-07-13Ca Nat Research CouncilDiscriminator circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US3049594A (en)*1955-07-121962-08-14Int Standard Electric CorpTelephone systems

Also Published As

Publication numberPublication date
DE926918C (en)1955-04-25
FR1073530A (en)1954-09-27
BE516931A (en)
GB765925A (en)1957-01-16

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